NITTO KOHKI CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL5221
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING1558
 
  
 
F04B POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS 1052
 
  
 
B23B TURNING; BORING 943
 
  
 
A61H PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY 630
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 561
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING539
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 337
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 391
 
  
 
1509 MACHINE TOOLS, ABRADING AND FOUNDING MACHINERY326

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0307,122 SLIDE VALVE, FEMALE COUPLING MEMBER HAVING THE SLIDE VALVE, AND PIPE COUPLING COMPRISING THE FEMALE COUPLING MEMBER AND MALE COUPLING MEMBERJul 10, 17Oct 26, 17[F16L]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9902051 Electric screwdriverMar 20, 15Feb 27, 18[B25B, B25F]
9777869 Female coupling member suitable for handling high-pressure fluid and pipe coupling having female coupling memberJun 19, 15Oct 03, 17[F16K, F16L]
9739386 Check valve element and check valve using the sameOct 01, 15Aug 22, 17[F16K]
9715812 Motor-driven screwdriver operation information indicator and motor-driven screwdriver with operation information indicating functionApr 12, 16Jul 25, 17[G08B, B25B, B25F]
9707670 Motor-driven screwdriverApr 12, 16Jul 18, 17[G08B, B25B, G08C, B25F]
D785144 Sealing ring for pipe couplingMay 11, 16Apr 25, 17[2301]
9604284 Portable drilling machineDec 24, 09Mar 28, 17[B23B, G05B, H02H]
9528649 Female joint having safety functionMar 26, 15Dec 27, 16[F16K, F16L]
9511468 Belt-type grinding toolAug 25, 15Dec 06, 16[B24B]
9151414 Coupling apparatus with adjustably supported pipe joint memberMay 16, 08Oct 06, 15[F16L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7661725 Coupling and socket thereofExpiredJun 01, 07Feb 16, 10[F16L]
2010/0028,093 DRILLING APPARATUSAbandonedFeb 01, 08Feb 04, 10[B23Q, B23B]
2009/0312,674 ELECTROMAGNETIC VALVE AND PNEUMATIC MASSAGE APPARATUSAbandonedJun 28, 07Dec 17, 09[F16K, A61H]
2009/0269,223 Magnetic Reciprocating Fluid DeviceAbandonedOct 24, 06Oct 29, 09[H02K, F04B]
2009/0121,478 Male-Female member assemblyAbandonedOct 26, 06May 14, 09[F16L]
2009/0018,474 Pneumatic Body Treating ApparatusAbandonedMar 29, 06Jan 15, 09[A61H]
2007/0154,273 Chip breaker for annular cutterAbandonedFeb 08, 07Jul 05, 07[B23B]
6904944 Fuel filling device and fuel leakage detection methodExpiredMar 07, 03Jun 14, 05[B65B]
6902038 Oil drain plug of engineExpiredOct 11, 02Jun 07, 05[F16L]
6871837 Valve structure for use in a pipe coupling and a pipe coupling comprising the valve structureExpiredApr 23, 04Mar 29, 05[F16L]
6572348 Electromagnetic compressor having an integral cylinder assembly and electromagnet molded from a resinExpiredMay 09, 02Jun 03, 03[F04B]
6517329 Electromagnetic blower and two-passage air supply apparatusExpiredApr 27, 01Feb 11, 03[F04B, B10D]
6378623 Torque control type impact wrenchExpiredJan 25, 01Apr 30, 02[B25B]
6116866 Reed valve for a pumpExpiredJan 23, 98Sep 12, 00[F04B]
6089539 Valved pipe coupling for fluid linesExpiredSep 15, 98Jul 18, 00[F16L]
5984266 Coupling for a spray apparatusExpiredFeb 11, 98Nov 16, 99[F16L]
5727592 Pipe connectorExpiredDec 20, 96Mar 17, 98[F16L]
5598635 Hydraulic puncherExpiredApr 08, 94Feb 04, 97[B26F]
5513347 Data transfer systemExpiredNov 01, 94Apr 30, 96[G06F]
D363728 Hole cutterExpiredDec 22, 94Oct 31, 95[]

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